?? bezier.h
字號(hào):
#ifndef _BEZIER_INCLUDED_#include "vector.h"class Bezier { public: point *p0, *p1, *p2, *p3; Bezier() { p0 = 0; p1 = 0; p2 = 0; p3 = 0; } Bezier( point *_p0, point *_p1, point *_p2, point *_p3 ) { p0 = _p0; p1 = _p1; p2 = _p2; p3 = _p3; } Bezier * Split( ); void ParameterSplitLeft( double t, Bezier &result ); // Intersect with another curve. Return two 10-elt arrays. Array 0 // contains fragments of self. Array 1 contains fragments of other curve. // Fragments continue until one with nil pointers pointing at point data. Bezier **Intersect( Bezier B ); ~Bezier() { if( --p0->refcount <= 0 ) delete p0; if( --p1->refcount <= 0 ) delete p1; if( --p2->refcount <= 0 ) delete p2; if( --p3->refcount <= 0 ) delete p3; } };#define _BEZIER_INCLUDED_#endif
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